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baldymcgee6 Group TitleBest ResponseYou've already chosen the best response.1
dw:1351748975295:dw
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
partial derivative means u treat other variable as constant. u know this ?
 one year ago

baldymcgee6 Group TitleBest ResponseYou've already chosen the best response.1
Right, so we treat y as a constant in the first one..
 one year ago

Dido525 Group TitleBest ResponseYou've already chosen the best response.0
Which variable are you taking constant>?
 one year ago

baldymcgee6 Group TitleBest ResponseYou've already chosen the best response.1
dw:1351749134665:dw
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
absolutely! that was my next statement, that u need log diff. here.
 one year ago

baldymcgee6 Group TitleBest ResponseYou've already chosen the best response.1
In my experiences with log diff I always had a function in the form of y = f(x)^g(x).... So what do we do here?
 one year ago

baldymcgee6 Group TitleBest ResponseYou've already chosen the best response.1
do we write y = ......?
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
taking log on both sides, u get log y = g(x) log f(x) then use product rule
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
u'll also need a chain rule for this....
 one year ago

baldymcgee6 Group TitleBest ResponseYou've already chosen the best response.1
dw:1351749340629:dw
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
oh dear! the y on left and on right are different, u should have used g or some other letter
 one year ago

baldymcgee6 Group TitleBest ResponseYou've already chosen the best response.1
oohhhhhh.. that's where I went wrong... this is off my last quiz :/
 one year ago

baldymcgee6 Group TitleBest ResponseYou've already chosen the best response.1
so it'll be g'/g on the left?
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
yes, after doing product rule , u resubstitute for g
 one year ago

baldymcgee6 Group TitleBest ResponseYou've already chosen the best response.1
dw:1351749800366:dw
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
thats right
 one year ago

baldymcgee6 Group TitleBest ResponseYou've already chosen the best response.1
dw:1351749846652:dw
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
absolutely correct
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
same for 2nd question, just replace x with y and y with x
 one year ago

baldymcgee6 Group TitleBest ResponseYou've already chosen the best response.1
right... I just messed up on calling the function y... messed with my head.
 one year ago

baldymcgee6 Group TitleBest ResponseYou've already chosen the best response.1
thanks again for the insight!
 one year ago

baldymcgee6 Group TitleBest ResponseYou've already chosen the best response.1
I'm not going to do the second derivative, I think I can get it... Thanks so much!
 one year ago

baldymcgee6 Group TitleBest ResponseYou've already chosen the best response.1
I mean, i'm not going to do it on here.. :)
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
ok, welcome ^_^
 one year ago
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